build(deps): bump puma from 5.2.2 to 5.3.1

Gemfile

@@ -9,7 +9,7 @@ gem 'rails', '~> 5.2.4.4'
 # Use mysql as the database for Active Record
 gem 'mysql2', '>= 0.4.4', '< 0.6.0'
 # Use Puma as the app server
-gem 'puma', '~> 5.2'
+gem 'puma', '~> 5.3'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 6.0'
 # Use Uglifier as compressor for JavaScript assets

Gemfile.lock

@@ -232,7 +232,9 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2020.1104)
-    mimemagic (0.3.5)
+    mimemagic (0.3.10)
+      nokogiri (~> 1)
+      rake
     mini_mime (1.0.2)
     mini_portile2 (2.5.3)
     minitest (5.14.4)
@@ -285,7 +287,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     public_suffix (4.0.6)
-    puma (5.2.2)
+    puma (5.3.1)
       nio4r (~> 2.0)
     raabro (1.4.0)
     racc (1.5.2)
@@ -339,7 +341,7 @@ GEM
     responders (3.0.1)
       actionpack (>= 5.0)
       railties (>= 5.0)
-    rexml (3.2.4)
+    rexml (3.2.5)
     roadie (4.0.0)
       css_parser (~> 1.4)
       nokogiri (~> 1.8)
@@ -487,7 +489,7 @@ DEPENDENCIES
   mysql2 (>= 0.4.4, < 0.6.0)
   omniauth-mlh (~> 0.4.2)
   omniauth-rails_csrf_protection
-  puma (~> 5.2)
+  puma (~> 5.3)
   rack-cors
   rails (~> 5.2.4.4)
   rails-controller-testing